Do you have any materials on Time-series approach? Specially for qualitative studies?

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Can a photocatalytic degradation of methylene blue from red mud be pseudo- zero order kinetics?

My photocatalyst from solid waste red med. Dye is methylene blue My all parameter study is showing zero order. How to prove it further that the reaction in zero order?

29 July 2024 7,404 1 View

How to calculate pseudo order kinetics?

I know the rate law. But for my photo-catalytic experiments, first 90min is adsorption (dark) and next 150min is under UV light (total 240min). How to remove the adsorption part for calculation?...

21 July 2024 8,807 6 View

How to make 100ppm 1Liter methylene blue stock solution? How much weigh the dye require?

methylene blue stock solution

19 June 2024 10,030 3 View

How to weight this chemicals to mix up to make zeolite 13X-Tio2 with Fe doped?

I use molecular sieve 13X and Iron nitrate powder Fe(NO 3)3 • 9H2O. and commercial TiO2. I need to prepare 8% Fe, 8% TiO2 containing with zeolite 13X. I want to use this method below: WET...

17 June 2024 4,153 2 View

How to calculate 1milimoles of H2O2 30%, ?

for photo phenton reaction, dye concentration 10ppm, catalyst 100mg/L.

16 April 2024 1,686 4 View

Any plastic recycling company pestel analysis?

any plastic recycling company pestel analysis

21 March 2024 5,391 0 View

How to detect noise sources from a home appliance?

for example: I am using a refrigerator for 3 years , recenly, 2/3 months ago the noise level seem increased. I made a complain to the refrigertor manufacturing brand. Now, how the R&D team of...

27 February 2024 6,870 2 View

My catalyst Ti contaning zeolite from red mud shows different degradation at different pH.?

For pH 5 & 9 almost same time 4hr for 95%, for pH 11 less time 3hr. 100% for pH 3 . 4hr, 75% Why this abnormal happened?

20 February 2024 6,525 0 View

Piezoelectric energy harvester(PEH) can convert vibration to energy. Is there any product list (Micro-Macro) of PEH currently avaiable in market?

PEH can use in micro and macro system. Is Micro system feasible for PEH for application like medical implant, Wireless Sensor Network or else?

02 February 2024 1,065 2 View

What is a Systematic Literature Review (SLR) and how to conduct a SLR?

What is a Systematic Literature Review (SLR) and mention its scientific procedure.

12 December 2023 4,877 5 View

How can I prepare virus for a TEM or SEM imaging?

I have virus (viral hemorrhagic septicemia virus) in suspension and the experiment will not involve cells. What level of TCID50 is preferred?

11 August 2024 3,115 1 View

How to learn more about SPSS and its Application?

I would like to learn more about SPSS and Its application especially in regards to data analysis. Please suggest me how I can learn more about it. Thank you so much.

11 August 2024 9,101 4 View

Can I base on reverse DNA sequences to perform alignment, convert to amino acids and GenBank submission?

I have reverse sequences (AB1 format), can I base on reverse DNA sequences to perform nucleotide alignment, convert nucleotides to amino acids and deposit the sequence in GenBank database?

11 August 2024 5,138 1 View

Baseline drift in HPLC? What causes this?

Hello, Why do i see this baseline drift when i compare my blank (black) to the sample (blue)? Any suggestions as to why this happened? Thank you!

11 August 2024 3,770 4 View

Text-Communication from the M1 Hand Area using BCI—and then there is Elon Musk?

Willett, Shenoy et al. (2021) have developed a brain computer interface (BCI) that used neural signal collected from the hand area of the motor cortex (area M1) of a paralyzed patient. The...

10 August 2024 7,180 0 View

Handling Missing Data and Building a Predictive Model with Incomplete Information ?

I am developing a predictive model for a water supply network that involves 20 influencing points. However, I only have historical data for 10 out of these 20 points. I would like to know how to...

10 August 2024 4,005 2 View

Has anyone applied Python in the field of textile engineering for data analysis, automation, or smart textiles?

I'm currently exploring the application of Python in textile engineering, specifically in areas like data analysis, process automation, and the development of smart textiles. I'm interested in...

10 August 2024 7,429 2 View

Is it possible to use the Fused Deposition Modeling (FDM) to additively manufacture interconnected porous structure generation of >100-200 micrometer?

Usually, additive manufacturing techniques like SEBM, SLS, and SLM are used for interconnected porous lattice structure generation with sizes of >100–200 micrometers. Can the Fused Deposition...

09 August 2024 7,892 0 View

How can I use the cif data obtained from rietveld refinement extracted via gsas2, for microstructural analysis using ETEX software?

09 August 2024 7,718 0 View

How to define an anisotropic material with asymmetric elastic compliance/stiffness matrix in ANSYS APDL?

I need to model an anisotropic material in which the Poisson's ratio ν_12 ≠ ν_21 and so on. Therefore, the elastic compliance matrix wouldn't be a symmetric one. In ANSYS APDL, for TB,ANEL...

09 August 2024 5,048 2 View

Daniel Druckman

See the chapter on qualitative time series analysis and process tracing in Druckman, D. "Doing Research: Methods of Inquiry for Conflict Analysis" Sage 20005.

Andrey Davydenko

It depends on what type of data you are dealing with. Pls give us examples of your data.

Qamer Uddin Jatoi

Thanks for the responses, I am looking to apply it from political perspective i.e. democracy

What type of variables do you plan to work with: percentages, integer observations, continuous variables, or something else?

David L Morgan

You say that you have qualitative data, does that mean interviews?